Key Versus PBX - Changes to Date

Article Abstract:

Private telecommunications equipment companies are competing head-on with the Bell companies for installation of products. One trend is toward integrated systems of voice and data. Hybrid Key Systems are new switching centers that have many of the features of PBX. In the past, telephone systems requiring more than fifty phones required a PBX to handle the routing of traffic. Now key systems can handle up to eighty units on one system. The only real difference betwen the two systems is the switchboard of PBX systems. Differences between the two system are narrowing. Criteria for selecting a PBX are given. A glossary of terms for managers is given.

Computer telephony, Deregulation, Equipment Acquisition, Integrated Voice/Data, Competition, Glossary, Hardware Vendors

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Private Line Service: An Answer to the Multiple-Choice Network Test

Article Abstract:

An in-depth look at the private line, its costs and benefits, is outlined. Long-distance telephone calls to the same locale (and, alternatively, calls received from the same area) make it imperative that a company look into the benefits of such a line. A set fee for a month of unlimited use is paid. Consulting a major carrier may help determine the best combination of various systems. Several diagrams depict some of the alternatives in using a private line in combination with other modes.

Cost benefit analysis, Evaluation, Network architectures, Network Architecture, Circuitry, Transmission Lines

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The Choice Is Yours: Key-PBX Systems

Article Abstract:

The main difference between a Key System and a PBX is that each user has an extension off the PBX. With the Key System lines are shared and held in common by several users. PBX systems can use up to 4000 lines to accommodate specific types of businesses and devices. Some other important features are: user set relocation, attendant administration and overflow order taking and information handling.

evaluation, Hardware Selection, Call Routing Equipment

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